Add support for space in long option assignments.

Support assignments in long option in two tokens, so that
```
luarocks --only-from /foo/bar build luasocket
```
is accepted as a synonym to:
```
luarocks --only-from=/foo/bar build luasocket
```
(This is consistent with the GNU getopt handling of "--" long options.)

Closes #65.

1 files changed, 6 insertions, 2 deletions

diff --git a/test/testing.sh b/test/testing.sh
index becaa14f..1c411a98 100755
--- a/test/testing.sh
+++ b/test/testing.sh
@@ -319,10 +319,14 @@ need_luasocket() { need luasocket $verrev_luasocket; }
 
 test_version() { $luarocks --version; }
 
-fail_arg_server() { $luarocks --server; }
-fail_arg_only_server() { $luarocks --only-server; }
 fail_unknown_command() { $luarocks unknown_command; }
 
+fail_arg_boolean_parameter() { $luarocks --porcelain=invalid; }
+fail_arg_boolean_unknown() { $luarocks --invalid-flag; }
+fail_arg_string_no_parameter() { $luarocks --server; }
+fail_arg_string_followed_by_flag() { $luarocks --server --porcelain; }
+fail_arg_string_unknown() { $luarocks --invalid-flag=abc; }
+
 test_empty_list() { $luarocks list; }
 
 fail_bad_sysconfig() { local err=0; local scdir="$testing_lrprefix/etc/luarocks/"; mkdir -p "$scdir"; local sysconfig="$scdir/config.lua"; echo "aoeui" > "$sysconfig"; echo $sysconfig; $luarocks list; err=$?; rm "$sysconfig"; return "$err"; }